// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/views/examples/double_split_view_example.h"

#include "base/macros.h"
#include "ui/views/background.h"
#include "ui/views/controls/single_split_view.h"
#include "ui/views/layout/grid_layout.h"

namespace views {
namespace examples {

    namespace {

        // DoubleSplitViews's content, which draws gradient color on background.
        class SplittedView : public View {
        public:
            SplittedView();
            ~SplittedView() override;

            void SetColor(SkColor from, SkColor to);

            // View:
            gfx::Size GetMinimumSize() const override;

        private:
            DISALLOW_COPY_AND_ASSIGN(SplittedView);
        };

        SplittedView::SplittedView()
        {
            SetColor(SK_ColorRED, SK_ColorGREEN);
        }

        SplittedView::~SplittedView()
        {
        }

        void SplittedView::SetColor(SkColor from, SkColor to)
        {
            set_background(Background::CreateVerticalGradientBackground(from, to));
        }

        gfx::Size SplittedView::GetMinimumSize() const
        {
            return gfx::Size(10, 10);
        }

    } // namespace

    DoubleSplitViewExample::DoubleSplitViewExample()
        : ExampleBase("Double Split View")
    {
    }

    DoubleSplitViewExample::~DoubleSplitViewExample()
    {
    }

    void DoubleSplitViewExample::CreateExampleView(View* container)
    {
        SplittedView* splitted_view_1 = new SplittedView();
        SplittedView* splitted_view_2 = new SplittedView();
        SplittedView* splitted_view_3 = new SplittedView();

        inner_single_split_view_ = new SingleSplitView(
            splitted_view_1, splitted_view_2,
            SingleSplitView::HORIZONTAL_SPLIT,
            NULL);

        outer_single_split_view_ = new SingleSplitView(
            inner_single_split_view_, splitted_view_3,
            SingleSplitView::HORIZONTAL_SPLIT,
            NULL);

        GridLayout* layout = new GridLayout(container);
        container->SetLayoutManager(layout);

        // Add scroll view.
        ColumnSet* column_set = layout->AddColumnSet(0);
        column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
            GridLayout::USE_PREF, 0, 0);
        layout->StartRow(1, 0);
        layout->AddView(outer_single_split_view_);
    }

} // namespace examples
} // namespace views
